Fix scaling for linked vectors.
Fix scaling for linked vectors.

deeplycloudy/MetPy,ahaberlie/MetPy,jrleeman/MetPy,ahaberlie/MetPy,ShawnMurd/MetPy,ahill818/MetPy,dopplershift/MetPy,dopplershift/MetPy,Unidata/MetPy,Unidata/MetPy,jrleeman/MetPy